A metal sphere of radius 10 cm is charged to a potential of 100 V. The outward pull per unit area of the surface isA. `4.4xx10^(-6)N//m^(2)`B. `2.4xx10^(-6)N//m^(2)`C. `4.4xx10^(6)N//m^(2)`D. `4.2xx10^(-6)N//m^(2)`

A metal sphere of radius 10 cm is charged to a potential of 100 V. The

1.	A metal sphere of radius 10 cm is charged to a potential of 100 V. The outward pull per unit area of the surface isA. `4.4xx10^(-6)N//m^(2)`B. `2.4xx10^(-6)N//m^(2)`C. `4.4xx10^(6)N//m^(2)`D. `4.2xx10^(-6)N//m^(2)`
Answer» Correct Answer - A `f=1/2epsi_(0)k(V/d)^(2)` `=(8.85xx10^(-12)xx1)/2xx(100/(10xx10^(-2)))^(2)` `=4.4xx10^(-6)N//m^(2).`

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A metal sphere of radius 10 cm is charged to a potential of 100 V. The outward pull per unit area of the surface isA. `4.4xx10^(-6)N//m^(2)`B. `2.4xx10^(-6)N//m^(2)`C. `4.4xx10^(6)N//m^(2)`D. `4.2xx10^(-6)N//m^(2)`

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